数学的本质在于它的自由。

我要叫你跌翻在你自己的礼貌中间。

Talent is how quickly your skills improve when you invest effort. Effort is what makes skill productive.

You have to grind when no one else is grinding so you can shine when no one else is shining.

庭院里栽种的竹子可以引来凤凰栖息，池中所养的鱼可化为蛟龙。